At Dire/Mold maintenance room, there was Methanal 1 containers (approximately 2 lits) that used for parts cleaning. There was MSDS and hazardous sign for Methanol containers. For the hazardous signs and MSDS information, there were flamable and Hamful for hazardous sign and wording for human effect looklike not more serious but the information in Thai authority (Pollution Control Department) recommended to use Famible and Poison for hazradous sign and the wording for human effect is more seriou respectivelys. It should be reconfirmed.